http://encyclopedia.thefreedictionary.com/hiragana , >> Each kana is either a vowel such as "a" (あ); a consonant followed by a vowel such as "ka" (か); or "n" (ん), a nasal sonorant which, depending on the context, sounds either like English m, n, or ng ([ŋ]), or like the nasal vowels of French.>> and suffixes such as さん ~san "Mr., Mrs., Miss, Ms."

When trying to speak [ŋa] from English /S speaking posture which has cp/high & bp/high/back in the mouth circle, [ŋe ŋi] (or "ei") is metaphthong/MPh pronounced. When trying to speak [bi] from English /S speaking posture which has cp/high & bp/high/back in the mouth circle, [bi] is metaphthong/MPh pronounced. When trying to speak [ci] from English /S speaking posture which has cp/high & bp/high/back in the mouth circle, [si] is metaphthong/MPh pronounced. When trying to speak [di] from English /S speaking posture which has cp/high & bp/high/back in the mouth circle, [di] is metaphthong/MPh pronounced. When trying to speak [ŋe] from English /S speaking posture which has cp/high & bp/high/back in the mouth circle, [ŋi] (or "i") is metaphthong/MPh pronounced. When trying to speak [fi] from English /S speaking posture which has cp/high & bp/high/back in the mouth circle, [ŋe f=] (or "ef") is metaphthong/MPh pronounced. When trying to speak [gi] from English /S speaking posture which has cp/high & bp/high/back in the mouth circle, [zi] is metaphthong/MPh pronounced. When trying to speak [hi] from English /S speaking posture which has cp/high & bp/high/back in the mouth circle, [ŋe ŋi ci] (or "eit∫") is metaphthong/MPh pronounced. When trying to speak [ŋi] from English /S speaking posture which has cp/high & bp/high/back in the mouth circle, [ŋa ŋi] (or "ai") is metaphthong/MPh pronounced. etc.

When trying to speak [zi] from English /S speaking posture which has cp/high & bp/high/back in the mouth circle, [zed ] (or [zes d=]) is metaphthong/MPh pronounced. And when trying to speak [zi] from English /S/Ch speaking posture which has cp/high & bp/high/back in the mouth circle, [q(iu) w=] (or [k(iu) w=]) is metaphthong/MPh pronounced.

When trying to speak [si] from English /S speaking posture which has cp/high & bp/high/back in the mouth circle, [ŋes s=] (or "es") is metaphthong/MPh pronounced. And when trying to speak [si] from English /S/Ch speaking posture which has cp/high & bp/high/back in the mouth circle, [ŋek s=] (or "eks") is metaphthong/MPh pronounced.